Expoxyfluorosilicones and modified polyacrylic resins for coating compositions

Abstract

The present invention is directed to a resin composition, comprising a blend of: (1) an epoxy polysiloxane resin; (2) an epoxyfluorosilicone resin; and (3) a fluorinated (or non-fluorinated) silane-modified polyacrylic resin. Further, the present invention is directed to a coating composition comprising the above resin blend composition and a curing agent. Further, the invention is directed to coating composition comprising an epoxy polysiloxane resin and a fluorinated (or non-fluorinated) silane-modified polyacrylic resin.

1 . A resin composition, comprising a blend of: (1) an epoxy polysiloxane resin; (2) an epoxyfluorosilicone resin; and (3) a fluorinated silane-modified polyacrylic resin. 
     
     
         2 . The resin composition of  claim 1 , comprising 5-99% by weight of the epoxy polysiloxane resin; 5-50% by weight of the fluorosilicone resin; and 5-99% by weight of the fluorinated silane-modified polyacrylic resin. 
     
     
         3 . A resin composition, comprising a blend of: (1) an epoxy polysiloxane resin; (2) an epoxyfluorosilicone resin; and (3) a silane-modified polyacrylic resin. 
     
     
         4 . The resin composition of  claim 3 , comprising 5-99% by weight of the epoxy polysiloxane resin; 5-30% by weight of the fluorosilicone resin; and 5-99% by weight of the silane-modified polyacrylic resin. 
     
     
         5 . A resin composition, comprising a blend of (1) an epoxy polysiloxane resin; and (2) an epoxyfluorosilicone resin. 
     
     
         6 . The resin composition of  claim 5 , comprising 5-99% by weight of the epoxy polysiloxane resin; and 5-50% by weight of the epoxyfluorosilicone resin. 
     
     
         7 . A resin composition, comprising: (1) an epoxy polysiloxane resin; and (2) a fluorinated silane-modified polyacrylic resin. 
     
     
         8 . The resin composition of  claim 7 , comprising 5-99% by weight of the epoxy polysiloxane resin; and 5-99% by weight of the fluorinated silane-modified polyacrylic resin. 
     
     
         9 . A resin composition, comprising: (1) an epoxy polysiloxane resin; and (2) a silane-modified polyacrylic resin. 
     
     
         10 . The resin composition of  claim 9 , comprising 5-99% by weight of the epoxy polysiloxane resin; and 5-99% by weight of the silane-modified polyacrylic resin. 
     
     
         11 . A coating composition comprising: (a) the resin of  claim 1 ; and (b) a curing agent, selected from the group consisting of aminosilane, aminoalkyl silane, aminosilanes having two or three silicon atoms, and aminosilanes with one or more amine groups. 
     
     
         12 . The coating composition of  claim 12 , wherein the curing agent is selected from the group consisting of such as, for example, N-(2-aminoethyl)-3aminopropyltrimethoxysilane (EDA) and (3-trimethoxysilylpropyl)-diethylenetriamine. 
     
     
         13 . The coating composition of  claim 12 , wherein the curing agent further comprises methoxysilyl- or ethoxysilyl-functional fluoropolymer, and the fluorinated and non-fluorinated silane-modified polyacrylic resin, or combinations thereof. 
     
     
         14 . A coating composition comprising (a) the resin of  claim 3 ; and (b) methoxysilyl- or ethoxysilyl-functional fluoropolymer, and the fluorinated and non-fluorinated silane-modified polyacrylic resin, or combinations thereof. 
     
     
         15 . A coating composition comprising (a) the resin of  claim 5 ; and (b) a curing agent, selected from the group consisting of aminosilane, aminoalkyl silane, aminosilanes having two or three silicon atoms. 
     
     
         16 . A coating composition comprising (a) the resin of  claim 7 ; and (b) methoxysilyl- or ethoxysilyl-functional fluoropolymer, and the fluorinated and non-fluorinated silane-modified polyacrylic resin, or combinations thereof. 
     
     
         17 . A coating composition comprising (a) the resin of  claim 9 ; and (b methoxysilyl- or ethoxysilyl-functional fluoropolymer, and the fluorinated and non-fluorinated silane-modified polyacrylic resin, or combinations thereof. 
     
     
         18 . A coating composition comprising (a) an epoxy polysiloxane resin; and (b) a fluorinated silane-modified polyacrylic resin curing agent. 
     
     
         19 . A coating composition comprising (a) an epoxy polysiloxane resin; and (b) a silane-modified polyacrylic resin curing agent.